Buell S1 Lightning Workshop Manual page 175

3
INSTALLATION
1. See Figure 3-50.
from the cylinder being serviced, will be installed on the
base circle (lowest position) of the cam.
2. Apply a liberal amount of engine oil to tappet assembly,
especially the roller needles, to ensure smooth initial
operation.
3. Insert tappet (6) into bore in crankcase (1). Rotate tappet
so that flats at upper end of tappet face the front and rear
of the engine. If the tappet is installed incorrectly, pins (2)
cannot be inserted.
4. Insert pins (2) in the holes in crankcase. Place new O-
rings (3) over ends of pins. Install plate (4) using screw
(5) with washer (14). Tighten screw (5) to 80-110 in-lbs
(9.0-12.4 Nm).
5. Slide new seal (8) and place retainer (9), over top of
push rod cover (7). Position new O-ring (10) at top of
push rod cover. Hold cover at an angle and insert top
through hole in cylinder head. Push up on cover while
aligning bottom of cover with tappet bore in crankcase.
Lower retainer (9) with seal (8) onto crankcase, aligning
locating pin (15) with hole in retainer.
6. Insert screw (11) with washer (13) through hole in
retainer (9), and thread into tapped hole in crankcase.
Tighten screw (11) to 15-18 ft-lbs (20-24 Nm).
7. Install rocker covers. See
TION starting on
Rotate engine so that both tappets (6),
CYLINDER HEAD, INSTALLA-
page 3-20.
b0134x3x
6
1
4
14
5
2
3
1. Right
crankcase half
2. Pin (2)
3. O-ring (2)
4. Plate
5. Screw
6. Tappet lifter (2)
7. Push rod cover (2)
Figure 3-50. Valve Tappet Service
8
7
12
10
11
13
9
15
8. Seal (2)
9. Retainer (2)
10. O-ring (2)
11. Screw (2)
12. Push rod (2)
13. Washer (2)
14. Washer
15. Locating pin (2)
3-39